* Note
-The app uses new permissions model for high security. For a certain
feature to work, you have to grant access right at run time and can
revoke the right whenever you want from your device' setting.
- The app requests tree permissions: Showing on top of other apps,
internet, and camera. By allowing the firs permission, the app will be
able to dim screen. The second person is needed by android sensors API
so that compass can work. To enable flashlight feature, you need to
accept camera permission.

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